knopf



(No Model.) 8

E. L. KNOPP.

ROLL PAPER CUTTER.

No. 394,121. Patented Dec. 4, 1888.

NlTED STATES PATENT OFFICE.

EDXYARD L. KNOPP, OF ST. LOUIS, MISSOURI, ASSIGNOR ()F ONE-HALF TO ANDRE\V V. KNOPP, OF SAME PLACE.

ROLL-PAPER CUTTER.

SPECIFICATION forming part of Letters Patent No. 394,121, dated December 4, 1888.

Application filed September 8, 1888. Serial No. 284,890- (No model.)

To all whom it may concern:

Be it known that l, EDWARD L. KNOPP, of St. Louis, Missouri, have made a new and useful Improvement in Roll-Paper Cutters, of which the following is a full, clear, and exact description.

The improvement relates to the roll-hanger, in combination with the knife and the means for keeping the roll in contact with the knife. The knife and its holder also constitute a feature of the improvement irrespective of the particular means shown for supporting the roll.

The most desirable mode of carrying out the improvement is shown in the annexed drawings, making part of this specification, in which Figure 1 is a front elevation, and Fig. 2 an end elevation, of the improved cutter; and Fig. 3, a detail, being a top view of the knife and holder.

The same letters of reference denote the same parts.

The frame-work of the cutter consists of the base A, the uprights ll ll, and the top plate, C, substantially as shown.

D represents the roll of paper, wound in. the customary manner upon a roller, (I, having at each end the usual gudgeon, (1, Fig. 2.

As thus far described, the construction is a familiar one, saving the modification in the uprights, presently described.

E represents a hanger, which sustains the roll D. It is a swinging one, attached above to the upper part of the fra1ne-work,amlhaving its lower ends, e e, suitably shaped to form bearin to receive the roll-gudgeons (1, respectively, and all so that the roll I) can be swung between the uprights ll ll toward and from the knife F. The most desirable mode of constructing the hanger is from a piece of wire or wire rod, bent into the U shape shown and journaled in the bearings e e in the under side of the top plate, substan tially as shown in Fig. 1.

The knife F is a flat strip extending past the side of the roll I) to come at its ends, respectively, opposite the uprights B B, and supported in position for the paper web (P, Fig. 2, to be drawn past either edge f or f of it by means of the holder G. This holder consists of a U-shaped rod, havingits middle portion, g, long enough to reach from upright B to upright l), and having its sides 5 g held in bearings 12 b respective] y in the uprights that is, the holder sides g g are passed through perforations or any suitable bearings in the uprights, respectively, and so that they can be adjusted therein to hold the knife, which is strong upon the holder with its outer face,f, against the portion g of the holder, as shown, nearer to or farther from the uprights, as may be desired. Set-screws Z) Z) are used to secure the holder sides g g after they have been adjusted.

The roll D, until a portion of it has been consumed, bears, as indicated by the arrow 01', Fig. 2, against the inner face of the knife, and more particularly against the middle portion vertically of such inner face, and to sever a portion of its web it-the webis drawn past the cutting-edge of the knife. The roll may be adjusted, as indicated by the arrows y and 1 Fig. 2, respectively, to unwind in either direction, and so that the end of the web may be drawn either downward or upward. As the roll diminishes in diameter, means, such as the springs ll ll, are brought into requisition to keep the roll against the knife. The sprin are preferably of the compound form shown, the spring ll acting directly against the roll-hanger and the springs ll. acting against the springs ll, all substantially as shown. This compound spring is useful, especially in connection with long rolls D. The knife can turn on the holdersides to present itself sidewise to the roll D, and the holder portion g braces the knife.

I claim 1. The combination of. the frame, the roll, the hanger, and the knife, said hanger being swung from the upper part of the frame, and said knife being held by the adjustable holder, substantially as described.

2. The combination of the frame, the roll, the swinging hanger, the knife and its U- shaped adjustable holder, and the springs, substantially as described.

3. The combination of the frame A B C, the roll D, the hanger E, journaled in the bearings e e and supporting the roll, as described, 5 The combination of the frame, the roll, the knife, the U-shaped holder G, the setthe swinging hanger, and the compound screws, and the springs, substantially as desprings H H substantially as described.

scribed. 'VVit-ness my hand. 5 4. The combination, in a roll-paper cutter,

of the frame, the roll, the knife F, and the EDWARD L. KNOPP. holder G, said knife being strung upon said holder and against its middle portion, and the \Vitnesses: sides of said holder being supported from the G. D. MOODY, 10 frame, substantially as described. D. W. A. SANFORD. i 

